Stop motion for looms



C. E. VANHONSEBROUCK.

STOP MOTION FOR Looms. APPLICA ION FILED AP R- I7, 1922.

1,424,956; mmug. s, 1922.

r li jkb oiIARLEs ii. vANiioNsEBnoucK or SALEM DEPOT, 'iinw'naia'r siiiuu, "AssIGuoR T0 DRAPER oonroanrioi or HOPEZDALE, "ivressacirusur'rs, in conrona'rioir or MAINE.

naakisse.

T 0 all whom, it may concern Be it known thatI, QHARLns E. VAN? HoNsnBRoUoK, of Salem Depot, in the county of Rockinghain and State of New Ifla'mps'hire, have: invented certain new and use ful Improvements in Stop Motions for Looms,"ot which the following is a specifi cation. W JqThe present'improvements relate to the means for 1 connecting the shipper handle of a loom to both a warp stop motion and a weft stop motion'and are illustrated in the accompanying 'drawings'wherein- 'Figurel is a side View of so much of the stop mechanism as isnecessary for an understanding of the present improvements, a

portion of the lay and of the breast beam being'shown in vertical section. Fig. 2 is a plan View of the connecting mechanism,

portions of the shipper handle and the weft section. Fig. 3 is a vertical section in-the plane indicated by the line33 in'Fig. 1. A, is a portion of the lay; B, is a portion ofthe'breast beam and G, is a portion of the shipper handle pivoted at The shipper-"handle illustrated is of thetype which swings back and forth parallel with the loom side, being such a shipperhandle as is -shown, for example, in United States Letters Patent of Ambler No, 867 ,934, October 8, 1907." The illustrated position of theshipper handle is that whichit occupies when the loom has been stopped. i

The warp stop motion'indicated is oithe type shown in United States Letters Patent of Ambler-No. 885,130, April 21, 1908. Thiswarpstop motion includesa dog-D, which, when' a warp thread breaks 'or-becomes -unduly slack,- is automatically lifted" into the path of a hunter E, carried by thelayyt-his bunter being indicatedin dotted lines in the accompanying drawings; In Fig. 1, the dog is illustrated in the position which it occupies after the 'loomhas stopped-following the breakage of a warp thread. Thevdog: D,

is pivotally connectedto'the upperend of a swinging carrier F, which is-pivoted to 'a fixed stud G. The carrierF swings in a planeparallel to that in whichtheshipper handle swings. Theweft stop motion indicated is of the type shown in British Letters Patent No. .6, dated January 1, 1909, to the British Northrop- Loom Company, wherein a'center fork sror Morton roe Looms."

Specification of Letter's Iat ent. P t nte 8, 1922 Application filed'April 17, 1922; Serial No. 553,390.

is employed. Operatively connected tothe centerfork so as to rise and fall therewith i'sa"dagger H, carried by a rock ShZLftI, and which cooperates with the upper end of a stopcfinger J, this part of the stop finger being shown only in dotted lines in the accompanying drawings. This stop fingeriis pivoted on a stud K, which is adjustable back and forth on a fixed bracket' carried by v the breast-beam; :Th-is .stop {finger is shown in Fig. 1: as occupying .the position which itassumes when thef loom" stops, WVhen the loom is running, the upper end of this stop finger isjabove the controller L, and in-the path of the dagger H, when the weft breaks or becomes? exhausted. When the weftvis intact the dagger 'H, is;gmaintained in an uplifted positionsoas to travel idly above and out of contact with the stop finger J; The stop finger swings'in a plane parallel to that inwhich, the shipper handle swings. a i

g The present improvementspr'elat'e" to the mechanism which connects the shipper handle C, to the stop finger J oftheweft stop motion and to the carrier F, of the endoi' the rodwithits inner end enteringthe slot 2,,so asqtobe engaged by the stud 3, when the; shipper handle is in its forward position and theloo'mis running. 1 The screw 5 loan beset to such position that the stop finger J ,f and the carrier F, occupy their functional positions. when the loom is running and when the shipper handle is ,allthe wayiorward. :The, adjusting screw '5 is maintained in it-s adjusted position bymeans of a lock nut 6. At its inner rear end the rod 1- is formed with integral upwardly extending ears 7 and, 8; between which; is mounted a rock shaft9. Thisshaft passes through an eye in thelower end M, of the stop-v finger J, which extends beneath the pivoted stud- K. "Consequently, this shaft 93 constitutes a pivotatconnection between the stop finger J, and-therod 1; The shaft rocks with respect to both red and stop finger! The stud 3 passing through the slot 2. supplies the, pivotal connection betweenthe: rod 1 and the shipper handle C. The rod is hence pivotally slidinglyand adjustably connected to the shipper handle.

By reason ofthese pivotal connections between'the rod on the one hand and the shipper handle I and the stop finger of the weft stop motion on the other, the rod is always in operative relation to the said shipper handle and finger, although they turn on different centres. Also, by reason of this connection, the

rod 1 movesback and forth as'the stop finger J, swings on its pivot stud K. i p

The rod 1 is joined to the carrier F,"of the-warp stop motion by means of a link 10; This link 10 ispivoted at its'rear end by meansof a set screw 13 which extends axially into the rock shaft 9.. By loosening the set; screw 13 the link 10 canslide in the rockshaft so asto bring the carrier-F, into correct position relatively to the stop finger, whereupon the set screw 13 is tightened and v the proper relative position is maintained.

Since the rock shaft 9 can-rock freely within th'eears 7 and 8 of the rod 1 and within the eye at the bottom of the stop finger, the link 10 is pivotally connected at both ends, 'Hence, the finger J and'the carrier' F, can freely swing on their difi'eren centres. 1 a a I "vWhen the carrier' F, swings to the'left,

, it pulls uponthelink10, thereby'pulling comes unduly slack or the weft 'onthe rod 1 and hence swinging'the shipper handle 0, rearwardly to stop the loom.

It will be' noted that the slot 2 pro-- vides for a greater movementof the shipper handle C, as compared-with the movement of the carrier F, and the finger J.

I When the shipper handle is swung -for ward to start the loo1n,-its' stud 3 encounters the inner end of the screw: 5, thereby pulling on the'rod 1 and upon the link 10 to restore thestop finger J and the dog D to their normal functional positions ready to act in case the warp thread breaks or bethread breaks'or runs out. y 1

"I claim- 1. Astopv motion for'a loom including a swinging carrier which is brought into actionwhen a warpthread breaks or becomes unduly slack, a swinging stop finger which is brought into action when a weft thread. breaks or runs out,andfla shipper handle which swings back and forth in a plane parallel to the planes of swing of said carrier and of said stop finger, said handle having a lateral stud, in combination with mechanism connecting said shipper "handle to said stop finger and to said carrier, said 1 and. a set screw passing axially through. said mechanisrn comprising a rod slotted at its 1 ture, a link pivotally connectedat its rear end ,to said carrier and, slidingly passingv through said aperture in said rock shaft,

rock shaft and acting uponLsaidlink to maintain it in definite position relatively to said stop finger.

-2. A stop motion which is brought into action when a weft thread breaks or runs out, and a, shipper for a loom including 7 a swinging carrier which is: brought-into 7 action when ,a, warp thread breaks oribecomes unduly slack, a swinging stop finger handle whichgswings back and. forth in a; 7

plane parallel to the planes of. 'swingpf said carrier and of said stop finger, in comblnation with mechanism, connecting said shipper handle tosaid stop finger andy to said carrier, said mechanism comprisingra rodpivotally, slidingly and adjustably con:

nected at its front end to the shipper handle,

a rock shaft carried by'said rod ,at its rear end and extending throughan eye in said stop finger and constituting a-pivotal connection between'said rodand stop finger, said rock shaft havlng a-transverse aper ,ture, a link 'pivotally connected atitsv rear end to said carrier-and slidingly passing through said aperture in said rock shaft, and a set screw 1 passing axially through said rock shaft and acting upon said linkfto maintain itin definite position relatively. to said rock shaft.

3. A stop motion for aloom including a swinging carrier which is broughtqintok action when a warp thread breaks or-becomes unduly slack, a swinging stop finger whichis brought, into action when a Weft ,thread breaks or runs out, and: a shipper handle which swings back and forth in a plane tion with mechanism, connecting said shipperhandle to" said stop; finger and carrier, said mechanism comprising a rod pivotally and slidingl the shipper handle, arock shaft carriedby said rod at its rear, end and cooperating with the stop, finger to constitute a pivotal connection between said rod and stop finger, and a link pivotally connected at v. its rear end to said carrier and attached to said rock shaft.

connected at its front-end to -14. A Stop motion' a a 100m sending. a

swinging carrier which is brought into acparallel to the planes'of swing of said car rier and of said stop finger, in combination when a warp thread breaks or becomes unduly slack, a swinging stop finger which is brought into action When a Weft thread breaks or runs out, and a shipper handle which swings back and forth in a plane parallel to the planes of swingof said carrier and said stop finger, in combination With mechanism connecting said shipper handle to said stop finger and carrier, said mechanism comprising a rod attached at its front end to the shipper handle, a rock shaft connecting said connector and stop finger and rocking with respect to both, and a link connected at one end to said carrier and at its other end to said rock shaft.

In Witness whereof, I have hereunto signed my name.

CHARLES E. VANHONSEBROUIK. 

